Good morning Edinburgh - welcome to the second Saturday in the book festival. It's flown in.

Is the books revolution going to be digitised? Are you an ebooks fan or do you swear by a physical book? We'll hear from both sides of the argument in the Guardian debate at 7pm. More info here.

If you've been to the festival, you can't have failed to notice the abundance of photography opportunities. As ever, photographer Chris Scott has been on site day and night to capture some great moments. Check out his gallery here.